Western Railway Tender

Supply, fixing and commissioning of FRP cable tray of size 300 x 100 x 100 mm and 4.0 mm thick - The price shall cover for supply, fixing and commissioning of FRP (Fiber Reinforced Plastic) perforated cable tray of size 300 x 100 x 100 mm and 4.0 mm approximate thickness. The cable tray shall be fixed horizontally or vertically at site and the existing LT cables shall be laid/shifted in the cable tray by disconnecting from the panel/switch end 1 and reconnecting as per site requirement duly tied with suitable clamps with GI nuts, bolts and washers in a safe and secure manner. Material of cable tray shall be ultra-violet and corrosion resistant and fire retardant (Class 1 fire rating) FRP. Glass content should be minimum 55.0%. The loading capacity (As per NEMA FGI198x Standard) shall be 60 kg/linear meter. Permissible deflection under test shall not exceed L/200mms. Standard length of the tray shall be 3.0 meters. Cable Tray Accessories shall be of same materials of cable trays & it includes Horizontal & Vertical Bends, Tees, Reducers, and Cross etc. with minimum Bending Radius of 300 mm. The coupler plates shall be of same materials of Cable Trays & 2 nos. required for each length of the cable tray with Hardware of SS 304/SS 316 Size. Test certificate of the cable tray shall be supplied along with the tray.

Providing M.S. supports fabricated from 100 mm x 50 mm size C type MS channel and 50 x 50 x 5 mm size M.S. angle for supporting FRP cable tray - The price shall cover for providing M.S. supports fabricated from 100 mm x 50 mm size C type MS channel and 50 x 50 x 5 mm size M.S. 2 angle for supporting FRP ladder type cable tray. The M.S. Channel shall be welded to the shed pillars and cross supports of M.S. angles shall be provided for laying of FRP cable tray. The cable tray shall be fixed by means of GI nuts, bolts and washers in a safe and secure manner. Provision of suitable size of holes shall be made in channels/angles for supporting the cable tray. The M.S. channels and angles shall be painted with two coats of red oxide primer and finished with two coats of enamel paint of shade as decided by site engineer.

- Laying of HT XLPE cable, three-core 185 sq. mm in DWC HDPE pipe in existing trench - The price shall cover for laying, testing and commissioning of HT XLPE armoured, three-core, 185 sq. mm cable in DWC HDPE pipe in existing trench and its connection at both ends. The cable shall 3 be tested with 5.0 KV Megger earth tester before laying it in the trench. The cable cores shall be tested for continuity, absence of cross phasing, Insulation Resistance between conductors to earth/armour and between conductors. The results should be recorded in presence of railways' representative. A composite cable layout plan on ferro-print or computerized print duly laminated in A-4 size should be submitted by the contractor to this office as well as site in-charge after laying of cable. Cables shall be supplied by railways at site engineer's stores.